FastPath-Identity-Proof160

FastPath Protocol

No bridges. No oracles. Pure cryptography.

Why It's Different

Every "Bitcoin bridge" is a multisig with a press release.

FastPath is native cryptographic verification. No validators. No relayers. No committees. No trust assumptions beyond the math.

The contract doesn't believe you own a Bitcoin address. It verifies it — the same way Bitcoin does.

That's the only kind of trustless that actually means anything.

Deployed. Verified. Working.

What It Is

A protocol that lets you prove ownership of any Bitcoin address directly on an EVM chain — then use that identity everywhere.

One signature. One hash160. Infinite applications.

The Core — FastPathIdentity

Sign a message with your Bitcoin private key. The contract verifies it on-chain, derives your hash160, and binds it to your EVM address.

No intermediaries. No oracles. No trust.

Your identity is permanent. Your control isn't. Relink to a new wallet anytime — your hash160 stays yours, and everything built on top moves with you.

Verified entirely on-chain:

• Secp256k1 decompression — compressed pubkeys work

• Bitcoin Signed Message format with CompactSize

• RIPEMD-160 after SHA-256 — real Bitcoin hash160, not keccak

• Two-phase relink with cooldown — can't race you out of your own identity

The Applications

BNS — Bitcoin Name Service

Human-readable names for Bitcoin identities.

satoshi.btc → hash160 → EVM address.

Forward resolution. Reverse resolution. Text records. Subdomains. 1-year renewals.

Names survive relinks. Change wallets? Your name stays. Switch chains? It follows.

More building on this primitive:

• Reputation tied to a Bitcoin identity, not a throwaway wallet

• Cross-chain identity with no oracles

• Payment routing to hash160s

• Whatever builders build — the primitive is open

FastPath Protocol — 2026

One signature. Eight+ chains. No bridges.